工業用グレードのエチレングリコール EG または MEG CAS 107-21-1
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| Parameter | Specification (Industrial Grade) | Test Method |
|---|---|---|
| Purity | ≥99.9% | GC |
| Diethylene Glycol Content | ≤0.1% | GC |
| Water Content | ≤0.05% | Karl Fischer Titration |
| Acidity(as acetic acid) | ≤0.002% | Titration with NaOH |
| Color(APHA) | ≤5 | Platinum-Cobalt Scale |
| Density(20°C) | 1.113-1.115 g/cm³ | Hydrometer Method |
| Refractive Index(20°C) | 1.431-1.433 | Abbe Refractometer |
| Freezing Point | ≤-12.9°C | Cryoscopy |

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